Temperature is deviation from the average and CO2 is in ppm.
Tuesday, July 05, 2022
## Rows: 1965 Columns: 2 ## ── Column specification ──────────────────────────────────────────────────────── ## Delimiter: "," ## dbl (2): Date, dev_deg_C ## ## ℹ Use `spec()` to retrieve the full column specification for this data. ## ℹ Specify the column types or set `show_col_types = FALSE` to quiet this message.
## New names: ## • `Year AD` -> `Year AD...1` ## • `Year AD` -> `Year AD...5` ## • `Growth Rate (ppm/yr)` -> `Growth Rate (ppm/yr)...7` ## • `Year AD` -> `Year AD...8` ## • `Growth Rate (ppm/yr)` -> `Growth Rate (ppm/yr)...10`
Temperature is deviation from the average and CO2 is in ppm.
Historical CO2 records from Law Dome ice cores
Loehle, C. (2007) ‘A 2000-Year Global Temperature Reconstruction Based on Non-Tree ring Proxies’, Energy & Environment, 18(7), pp. 1049–1058. doi: 10.1260/095830507782616797.